The age categories for racing cyclo-cross are defined in the British Cycling cyclo-cross regulations, section 5.9. To make things a bit easier for you, we’ve produced the following table to help you find the correct age category for cyclo-cross only.
| Year of Birth | Category |
| 2010-2018 | Under 9 |
| 2007-2009 | Under 12 |
| 2005-2006 | Youth – U14 |
| 2003-2004 | Youth – U16 |
| 2001-2002 | Junior |
| 1997-2000 | Under-23 |
| 1979-1996 | Senior |
| 1974-1978 | Vet 40 |
| 1969-1973 | Vet 45 |
| 1964-1968 | Vet 50 |
| 1959-1963 | Vet 55 |
| 1954-1958 | Vet 60 |
| 1949-1953 | Vet 65 |
| pre-1948 | Vet 70+ |